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English definition of “be (as) daft as a brush”

be (as) daft as a brush

UK informal
to be very silly: He's a nice enough boy, but he's as daft as a brush.Stupid and sillyOf unsound mind
(Definition of be (as) daft as a brush from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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Translations of “be (as) daft as a brush”

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